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Finding the Fourth Proportional to 637,526.01, 879,588.26 and 361,838.87

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Solution

The fourth proportional to 637,526.01, 879,588.26 and 361,838.87 is: 499,225.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,526.01 : 879,588.26 = 361,838.87 : x
  2. Step 2: Convert to fraction form
    637,526.01/879,588.26 = 361,838.87/x
  3. Step 3: Cross multiply
    637,526.01x = 879,588.26 × 361,838.87
  4. Step 4: Simplify right side
    637,526.01x = 318,269,215,856.53
  5. Step 5: Solve for x
    x = 318,269,215,856.53/637,526.01
  6. Step 6: Final answer
    x = 499,225.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.